How fast the planet warms will be crucial for livability

The world is warming … and fast. The global average temperature has already risen by more than 1°C as a result of greenhouse gas emissions from human activity, and most of that warming has come in just the last 50 years.

Hollande, leaders call for investments in the green economy

Climate change and poverty took center stage Friday at the World Economic Forum in Davos, where leaders began campaigning in earnest for twin global accords aimed at cooling the planet and easing the suffering of multitudes.

El Nino may soon return: UN weather agency

The El Nino weather phenomenon could return within days but will be relatively weak compared with past episodes, the UN's weather agency said Tuesday.

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